|
|
|
Physical state @ 20°C: |
Gas |
|
Color: |
Colourless [3] |
|
Molecular weight (g/mol): |
20.1797(6) [1] |
|
Melting point (°C):  |
-248.61 [1] |
|
Boiling point (°C): |
-246.06 [1] |
|
Critical temperature (°C): |
-228.75 [3] |
|
Critical pressure (kPa): |
2654 [3] |
|
Density (g/cm3): |
Gas: 0.00089994 [1,3]
Liquid: 1.444 [3]
Solid:1.207 [3]
Critical: 0.483 [3] |
|
Molar volume (cm3): |
13.23 |
|
Velocity of sound (m/s): |
936 |
|
Refractive index: |
1.000067 |
|
Solubility: |
Water: 10.5 cm3/l (20 °C) [1] |
|
